Update changelog for 0.2.2

Author: mgeisler

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 This lists the most important changes between releases.
 
+## Version 0.2.2 (2023-08-23)
+
+- [#59]: Resolve broken links using the original sources.
+
 ## Version 0.2.1 (2023-08-15)
 
 - [#56]: Handle normalization where old `msgid` disappears.
@@ -20,6 +24,7 @@ This lists the most important changes between releases.
 
 First release as a stand-alone crate.
 
+[#59]: https://github.com/google/mdbook-i18n-helpers/pull/59
 [#56]: https://github.com/google/mdbook-i18n-helpers/pull/56
 [#49]: https://github.com/google/mdbook-i18n-helpers/pull/49
 [#46]: https://github.com/google/mdbook-i18n-helpers/pull/46